84 lines
2.2 KiB
Plaintext
84 lines
2.2 KiB
Plaintext
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file asyncTaskChain.I
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* @author drose
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* @date 2006-08-23
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*/
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/**
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* Returns true if the thread(s) have been started and are ready to service
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* requests, false otherwise. If this is false, the next call to add() or
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* add_and_do() will automatically start the threads.
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*/
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INLINE bool AsyncTaskChain::
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is_started() const {
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return (_state == S_started);
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}
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#ifndef CPPPARSER
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/**
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* Adds a new task to the task chain which calls the indicated callable.
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* This method is defined as a more convenient alternative to subclassing
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* AsyncTask.
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*
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* This given callable allowed to be any object defining a call operator that
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* accepts an AsyncTask pointer and returns a DoneStatus.
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*
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* Returns the newly created AsyncTask object.
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*
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* @since 1.11.0
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*/
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template<class Callable>
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INLINE AsyncTask *AsyncTaskChain::
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add(Callable callable, const std::string &name, int sort, int priority) {
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class InlineTask final : public AsyncTask {
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public:
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InlineTask(Callable callable, const std::string &name, int sort, int priority) :
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AsyncTask(name),
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_callable(std::move(callable)) {
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_sort = sort;
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_priority = priority;
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}
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ALLOC_DELETED_CHAIN(InlineTask);
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private:
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virtual DoneStatus do_task() override final {
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return _callable(this);
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}
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Callable _callable;
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};
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AsyncTask *task = new InlineTask(std::move(callable), name, sort, priority);
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add(task);
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return task;
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}
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#endif
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/**
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* Returns the time at which the next sleeping thread will awaken, or -1 if
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* there are no sleeping threads. Assumes the lock is already held.
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*/
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INLINE double AsyncTaskChain::
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do_get_next_wake_time() const {
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if (!_sleeping.empty()) {
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return _sleeping.front()->_wake_time;
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}
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return -1.0;
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}
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/**
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* Returns the time at which the indicated thread will awaken. Assumes the
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* lock is already held.
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*/
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INLINE double AsyncTaskChain::
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get_wake_time(AsyncTask *task) {
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return task->_wake_time;
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}
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